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Finding the Fourth Proportional to 127,925.67, 176,538.12 and 70,567.02

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Solution

The fourth proportional to 127,925.67, 176,538.12 and 70,567.02 is: 97,382.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,925.67 : 176,538.12 = 70,567.02 : x
  2. Step 2: Convert to fraction form
    127,925.67/176,538.12 = 70,567.02/x
  3. Step 3: Cross multiply
    127,925.67x = 176,538.12 × 70,567.02
  4. Step 4: Simplify right side
    127,925.67x = 12,457,769,044.80
  5. Step 5: Solve for x
    x = 12,457,769,044.80/127,925.67
  6. Step 6: Final answer
    x = 97,382.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.